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Primary 5 Mathematics Percentage Quiz

Free P5 Maths Percentage quiz, Exam version, with questions, answers, and syllabus-aligned practice for Singapore students.

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Primary 5 Mathematics From Real Exams Generated by Claude Sonnet 4 Updated 2026-08-17

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Questions

P5 Maths Quiz: Percentage

Questions: 20 Time: 35 minutes Total Marks: 50

Section A: Multiple Choice (10 marks)

Choose the best answer. [2 marks each]

What is 25% of 240?
- A) 25
- B) 60
- C) 96
- D) 120
Express 3/5 as a percentage.
- A) 35%
- B) 53%
- C) 60%
- D) 65%
A shirt costs $80. After a 15% discount, what is the new price?
- A) $68
- B) $65
- C) $72
- D) $75
In a class of 40 students, 30% are boys. How many girls are there?
- A) 12
- B) 28
- C) 30
- D) 32
If 20% of a number is 45, what is the number?
- A) 9
- B) 180
- C) 225
- D) 250

Section B: Short Answer (20 marks)

Show your working clearly. [4 marks each]

Calculate: a) 15% of $360 b) 8% of 2,500 kg
Express these as percentages: a) 0.35 b) 7/20
Find 120% of 450.
A book originally costs $25. The price increased by 12%. What is the new price?
In a survey, 180 people out of 300 preferred chocolate ice cream. What percentage preferred chocolate?

Section C: Word Problems (20 marks)

Use model drawing or show your working clearly. [5 marks each]

GST Problem A laptop costs $1,200 before GST. In Singapore, GST is 9%. What is the total price including GST?
Savings Problem Sarah saves 20% of her monthly allowance of $150. After 6 months, how much has she saved? If she spends 30% of her savings on a gift, how much money does she have left?
Sale Problem During a sale, all items are reduced by 25%. If a dress now costs $60, what was its original price?
Mixed Problem A school has 800 students. 45% are girls and the rest are boys. Of the boys, 20% play football. Of the girls, 30% play basketball. How many students play either football or basketball?

End of Quiz

Remember to convert fractions to percentages and vice versa where needed.

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Answers

P5 Maths Quiz: Percentage - ANSWERS

Questions: 20 Time: 35 minutes Total Marks: 50

Section A: Multiple Choice (10 marks)

2 marks each

B) 60
- 25% of 240 = 25/100 × 240 = 60
C) 60%
- 3/5 = 60/100 = 60%
A) $68
- 15% of $80 =$ 12
- New price = $80 -$ 12 = $68
B) 28
- Boys = 30% of 40 = 12
- Girls = 40 - 12 = 28
C) 225
- 20% of number = 45
- 1% = 45 ÷ 20 = 2.25
- 100% = 2.25 × 100 = 225

Section B: Short Answer (20 marks)

4 marks each

Calculate: a) 15% of $360 = 15/100 ×$ 360 = $54 b) 8% of 2,500 kg = 8/100 × 2,500 = 200 kg
Express as percentages: a) 0.35 = 35/100 = 35% b) 7/20 = 35/100 = 35%
120% of 450: 120/100 × 450 = 540
Price increase: Original: $25 Increase: 12% of$ 25 = $3 New price:$ 25 + $3 = **$ 28**
Survey percentage: Fraction: 180/300 = 3/5 Percentage: 3/5 × 100% = 60%

Section C: Word Problems (20 marks)

5 marks each

GST Problem Laptop cost: $1,200 GST: 9% of$ 1,200 = 0.09 × $1,200 =$ 108 Total price: $1,200 +$ 108 = $1,308
Savings Problem Monthly savings: 20% of $150 =$ 30 6 months savings: $30 × 6 =$ 180

Spends: 30% of $180 =$ 54 Money left: $180 -$ 54 = $126
Sale Problem Sale dress = $60 (after 25% reduction) This means$ 60 = 75% of original price 1% of original = $60 ÷ 75 =$ 0.80 Original price = $0.80 × 100 = **$ 80**
Mixed Problem Total students: 800 Girls: 45% of 800 = 360 Boys: 800 - 360 = 440

Boys playing football: 20% of 440 = 88 Girls playing basketball: 30% of 360 = 108

Total playing sports: 88 + 108 = 196 students

Marking Scheme:

Section A: 1 mark for correct answer, 1 mark for method
Section B: 2 marks for method, 2 marks for correct answer
Section C: 2 marks for understanding, 2 marks for working, 1 mark for final answer

Total: 50 marks